Product size: The diameter of the tray is 17cm, with a chain about 36cm in length. the specific size you can see the picture. 4 pieces per pack. QUALITY: Made of durable mesh metal, strong and lightweight. And powder coated black for weather resistance, will last for years of use. Rust-proof metal mesh tray allows water to drain easily and keep seeds dry. FUNCTIONAL: Hanging bird feeder tray attracts lovely birds to fly to your garden . Birds, family, children, nature, garden, pet, live in harmony and spend happy times together. It’s also a great gift for home and garden lovers. EASY TO USE: Easy to hang and just fill the bird food into the feeders. And easy to clean, just flip the bird feeder tray face down, wipe and clean with a cloth or rinse with water. APPLICATIONS: You can hang outside the garden, yard, garden, patio or kitchen window, or trees, anywhere you want to hang.It can accommodate a variety of wild bird seed to attract different birds like Red Finches, Chickadees, House